Guide for field crops in the tropics and the subtropics 

 - Washington :  La Agencia,  1974 
 - 321 p.  ; mapa 
<br/><br/><label>LCCN: </label>70678 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivos tropicales.
<br/><br/><label>Dewey Class. No.: </label>631.0913  / A3